Math cartoon by Sidney Harris.
Caption: "Every once in a while I just like to unwind with a little addition and subtraction."
Pricing: $16 to $18.
What do you get when you divide the circumference of an apple by twice its radius?
Apple Pi.
Available in Black or Ash Gray.
Front: geometrical representation of the gravitational field of a black hole, with the equation for the Schwarzchild radius.
Back (pictured): And God said - Maxwell's equations - and there was light.
T-shirt is Black.
Pricing: $16 to $23.
Product Rule, Chain Rule, Quotient Rule . . . Calculus Rules!
Available in Black, Ash Gray, or Stone Blue.
Pricing: $14 to $16.
SALE! Stone Blue and White Calculus Rules t-shirts are on sale for $10, while supplies last.
Cartoon with fractal teacher asking fractal students, "Why must I iterate and reiterate?"
T-shirt is Black.
SALE! $12 to #13, while supplies last (Regularly $17 to $19).
The Cogito Ergo Sum t-shirt features Rodin's Thinker.
Front: Rodin's thinker with the phrase Cogito, ergo sum.
Back: I think, therefore I add.
T-shirt is black.
Pricing:
Adult Short Sleeve Small, Medium, Large, XL: $14.
2XL, 3XL: $16.
This cartoon discusses the relationship between correlation and causation.
This design is printed on a somewhat lighter weight shirt than our usual heavyweight t-shirts.
T-shirt is Navy Blue.
Price: $18.
Front: Know Limits
Back: Dare to be Differential
Available in Stone Blue, Ash Gray, and White.
Pricing: $17 to $21.
SALE! Dare to be Differential t-shirts in colors other than Stone Blue are on sale for $12 to $13, while supplies last.
Available in Black, Indigo Blue, Ash Gray, or Violet.
Price: $14 to $16.
SALE! Violet and Ash Gray Derivers Wanted t-shirts are on sale for $10, while supplies last.
As seen in the Numb3rs episode "Atomic Number 33". Area and Volume formulae are Easy as Pi when you wear this t-shirt.
Available in Black, Ash Gray, White, and Violet. Available in Adult Short Sleeve and Long Sleeve, and in Youth Short Sleeve .
SALE! Ash Gray Short Sleeve are on sale for $10, and Ash Gray Long Sleeve are on sale for $14, while supplies last.
